Ágoston, Gábor (2014). "Firearms and Military Adaptation: The Ottomans and the European Military Revolution, 1450–1800". Journal of World History. 25: 88–94. doi:10.1353/jwh.2014.0005. S2CID143042353.
kultur.gov.tr
"In 1363 the Ottoman capital moved from Bursa to Edirne, although Bursa retained its spiritual and economic importance." Ottoman Capital Bursa. Official website of Ministry of Culture and Tourism of the Republic of Turkey. Retrieved 19 December 2014.
semanticscholar.org
api.semanticscholar.org
Ágoston, Gábor (2014). "Firearms and Military Adaptation: The Ottomans and the European Military Revolution, 1450–1800". Journal of World History. 25: 88–94. doi:10.1353/jwh.2014.0005. S2CID143042353.